CN1318320C - H circulation pipe separated type membrane bioreactor - Google Patents
H circulation pipe separated type membrane bioreactor Download PDFInfo
- Publication number
- CN1318320C CN1318320C CNB2004100340071A CN200410034007A CN1318320C CN 1318320 C CN1318320 C CN 1318320C CN B2004100340071 A CNB2004100340071 A CN B2004100340071A CN 200410034007 A CN200410034007 A CN 200410034007A CN 1318320 C CN1318320 C CN 1318320C
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- Prior art keywords
- membrane filtration
- membrane
- filtration pond
- reaction tank
- circulation tube
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The present invention provides a separated membrane biological reactor with an H circulating pipe, which is mainly composed of a biological reacting tank, a membrane filtering tank, a membrane component, an H-shaped circulating pipe, a suction pump, etc. The present invention is mainly characterized in that the biological reacting tank and the membrane filtering tank are separated by a baffle. The separated membrane biological reactor only uses the single H-shaped circulating pipe for realizing the water power circulation without a valve or a pump. The membrane biological reactor overcomes the problems that the public-known separated membrane biological reactor has high energy consumption for a circulating pump, the building installation difficulty is high caused by long circulating pipes and circulating valves, the cost is high, etc. Thus, the water treatment of the membrane biological reactor, and the technology of changing the waste water into resources are effective and economical.
Description
Technical field
The invention belongs to field of membrane bioreactor technology, particularly separate film biological reactor.
Background technology
Separate film biological reactor is made up of biological respinse pool unit and film separation unit, is characterized in: system's stable and reliable operation, operational administrative is easy, be easy to carry out film cleaning, change and set up.A kind of known separate film biological reactor is the cross-current type membrane bioreactor system, is made up of biological respinse pool unit and cross-current type membrane separation apparatus, and its advantage is the cleaning of film unit film and easy to maintenance, and having subject matter is energy consumption height in the operational process.The reason that energy consumption is high is due to the water circulating pump between biological unit and the film unit, handles unit water yield energy consumption and is about 3.0-5.5kWh/m
3, be traditional activated sludge process 10-15 doubly.(Fan Yaobo etc., ACTA Scientiae Circumstantiae, 1997,17 (1): 68-74; Zheng Xiang etc., 2000, Techniques and Equipment for Environmental Pollution Control, Vol.1:(5), 12-19).
For solving the high problem of energy consumption, keep simultaneously film advantage easy to maintenance again, a kind of employing Inka aeration submerged membrane unit, utilization gas lift principle realizes round-robin separate film biological reactor (publication number: CN1358675A) be suggested, but need long circulation tube to connect in this kind technology between film unit and the biological unit, need mounted valve on the circulation tube, particularly when the membrane bioreactor engineering construction is underground type, also need be at biological reaction tank side buildup valve well.Long circulation tube, mounted valve and buildup valve well not only can increase engineering construction difficulty and construction costs, and long circulation tube and mounted valve also cause mud circulation smooth and the problem of sludgd deposition occurs in circulation tube easily.
Summary of the invention
The objective of the invention is to that construction, installation difficulty that the long circulation tube of known separate film biological reactor, recycle valve and valve well bring are higher, cost is higher and the problem of the easy deposition of circulation tube in order to overcome, create and a kind ofly biological unit and film unit are separated, only realize no pump and valveless waterpower round-robin separate film biological reactor with H or h shape circulation tube by division plate.The technological improvement of this separate film biological reactor will make membrane Bio-reactor Technology more efficient, economical, in water treatment and waste water reclaiming field bigger application prospect be arranged.
Under the effect of membrane filtration pond aspiration tube 9 air-blowing, the current in membrane filtration pond 3 are after rising in the bottom, and dividing plate 22 tops of jumping over are back to biological reaction tank 2, form the waterpower circulation between biological reaction tank 2 and the membrane filtration pond 3; Separate film biological reactor of the present invention mainly comprises biological reaction tank 2, membrane filtration pond 3, membrane module 16, H or h shape circulation tube 14 and suction pump 18, sees accompanying drawing 1.It is characterized in that: biological reaction tank 2 and membrane filtration pond 3 are separated by a stifled dividing plate 22, and dividing plate 15 tops are submerged in biological reaction tank 2 or membrane filtration pond 3 pond water liquid levels to 25cm degree of depth place, and reaction tank 2 and membrane filtration pond 3 Chi Shui cross dividing plate 15 tops and are communicated with.H or h shape circulation tube 14, its two vertical tubes connect the both sides that straddle biological reaction tank 2 and membrane filtration pond 3 cell compartment plates 15 through a horizontal short tube.The muddy water mixed solution of biological reaction tank 2 bottoms flow to the bottom in membrane filtration pond 3 by H or h shape circulation tube 14; Under the effect of membrane filtration pond aspiration tube 9 air-blowing, the current in membrane filtration pond 3 are after rising in the bottom, and dividing plate 15 tops of jumping over are back to biological reaction tank 2, form the waterpower circulation between biological reaction tank 2 and the membrane filtration pond 3; As shown in Figure 3, valveless on the circulation tube 14 has an elbow in the bottom of membrane filtration pond 3 one side vertical tubes; The length that present technique limits H or h shape circulation tube 14 vertical tubes is 1-5 rice.
The hydrostatic level in membrane filtration pond 3 is stopping under the condition of air-blowing concordantly with the hydrostatic level of biological reaction tank 2, and the bottom in membrane filtration pond 3 and biological reaction tank bottom is concordant.Membrane module 16 is equipped with on the top of Chi Shui or mud mixed liquid in the membrane filtration pond 3, membrane module as shown in Figure 2 is from the downward laying of the water surface, be that the last header 22 of membrane module just is submerged under the water surface in 0 to the 25cm water layer, the following header 23 of membrane module is looked membrane module length and is submerged in the water layer in the water surface to 3.5 meter depth of water scope.9 ones of membrane filtration pond aspiration tube are located in the following header 23 following water layers of membrane module.Membrane filtration pond aspiration tube 9 is a perforated pipe.Biological tank aspiration tube 13 can be perforated pipe and micro-pore aeration element, and is installed in the same degree of depth with membrane filtration pond aspiration tube 9.
Principle of work of the present invention is: because the air-blowing effect of membrane filtration pond aspiration tube 9 has promoted the water level in membrane filtration pond 3 or reduced the proportion of membrane filtration pond 3 mixed solutions, current in H or the h shape circulation tube 14 are not owing to have bubble or have only less bubble and proportion is bigger, therefore, heavier current can descend to flowing into membrane filtration pond 3 in H or the h shape circulation tube 14, the current in membrane filtration pond 3 can flow back to biological reaction tank 2 from the water surface because of the lifting of bubble again, thereby form the circulation of gas lift waterpower.
The characteristics of separate film biological reactor of the present invention:
1, the length of circulation tube is shorter, and circulating consumption is lower; Circulation tube is not easy to block up, and quantity of circulating water is safe;
2, H or h shape circulation tube need not valve and valve well, have lowered the consumption of equipment and material, have reduced construction cost, and construction investment is economized;
3, realize the construction of extensive membrane bioreactor water treatment system and suite of equipment easily;
4, applied range can make up with various types of biological reaction tanks, is not limited to activated sludge process, can be biomembrance process, as: oxidation ditch reaction tank, contact oxidation method reaction tank, biological filter etc.;
5, system's easy care when carrying out the matting of film, only needs the emptying of membrane filtration pond, and does not influence the operational conditions and the state of biological reaction tank, can not damage the microorganism of biological reaction tank.
Description of drawings
Fig. 1 is a separate film biological reactor water technology process flow diagram of the present invention.Wherein: the biological air door of the former water of 1-, 2-biological reaction tank, 3-membrane filtration pond, 4-clear water tanks, 5-pneumatic pump, 6-film air door, 7-film air flowmeter, 8-membrane filtration pond blast main, 9-membrane filtration pond aspiration tube, 10-, the biological air flowmeter of 11-, 12-biological tank blast main, 13-biological tank aspiration tube, 14-H or h shape circulation tube, 15-dividing plate, 16-membrane module, 17-rising pipe, 18-clarified water pump, 19-the purify waste water flow meter, 21-of valve, 20-of purifying waste water purifies water pipe.
Fig. 2 is the synoptic diagram of the used membrane module of separate film biological reactor water technology of the present invention.Wherein: header on 22,23 times headers, 24-film silk.
Fig. 3 is separate film biological reactor H of the present invention or h shape circulation tube 14 structural representations.Wherein: a-H shape, b-h shape.H or h shape circulation tube 14 are formed by connecting by two vertical tubes and a horizontal short tube, and H or h shape circulation tube 14 have an elbow in the bottom of membrane filtration pond 3 one side vertical tubes.
Embodiment
Enter biological reaction tank 2 through pretreated sewage 1, in the biological reaction tank 2 active sludge intermixture is arranged.Air is fed the biological tank aspiration tube 13 of biological reaction tank 2 through biological air door 10, biological air flowmeter 11, biological tank blast main 12 by pneumatic pump 5,13 pairs of active sludge intermixture air-blowing of biological tank aspiration tube, make its mix with the part oxygenation after, enter through H or h shape circulation tube 14 and enter membrane filtration pond 3.Simultaneously, the air that carries out flushing membrane silk 25 inserts membrane filtration pond 3 membrane filtration pond aspiration tube 9 by pneumatic pump 5 through film air door 6, film air flowmeter 7, membrane filtration pond blast main 8, aspiration tube 9 air-blowing of membrane filtration pond mainly contain to mixed solution oxygenation, airlift mixed solution except playing the effect that film is cleaned, and make mixed solution form the round-robin effect between biological reaction tank 2 and membrane filtration pond 3.Purify waste water by membrane module top water level with purify water pipe 21 in the waterhead at clear water tanks 4 water outlet places and the suction function of suction pump 18, from film separation unit 16, enter clear water tanks 4 through rising pipe 17, the valve 19 of purifying waste water, the flow meter 20 of purifying waste water, purification water pipe 21.
Claims (5)
1. H or h circulation tube separate film biological reactor, mainly comprise biological reaction tank (2), membrane filtration pond (3), membrane module (16), H or h shape circulation tube (14) and suction pump (18), it is characterized in that: biological reaction tank (2) and membrane filtration pond (3) are separated by a dividing plate (15), the pool water within liquid level is flooded to 25cm degree of depth place in dividing plate (15) top, and biological reaction tank (2) and membrane filtration pond (3) Chi Shui cross dividing plate (15) top and be communicated with; (14) two vertical tubes of described circulation tube connect the both sides that straddle biological reaction tank (2) and membrane filtration pond (3) cell compartment plate (15) through a horizontal short tube; The muddy water mixed solution of biological reaction tank (2) bottom flow to the bottom of membrane filtration pond (3) by circulation tube (14), under the effect of membrane filtration pond aspiration tube (9) air-blowing, the current in membrane filtration pond (3) are after rising in the bottom, dividing plate (15) top of jumping over is back to biological reaction tank (2), and the waterpower that forms between biological reaction tank (2) and membrane filtration pond (3) circulates; Circulation tube (14) is gone up valveless; Circulation tube (14) has an elbow in the bottom of membrane filtration pond (3) one side vertical tubes.
2. H as claimed in claim 1 or h circulation tube separate film biological reactor is characterized in that: described circulation tube (14) structure is H or h shape; The length of H or h shape circulation tube (14) vertical tube is 1-5 rice.
3. H as claimed in claim 1 or h circulation tube separate film biological reactor, it is characterized in that: described membrane module (16) is made up of last header (22), following header (23) and film silk (24), film silk (24) adopts ultra-filtration membrane or microfiltration membrane, last header (22) is submerged under the water surface in 0 to the 25cm water layer, and header under the membrane module (23) is submerged in the water layer in the water surface to 3.5 meter water depth scope according to film silk (24) length.
4. H as claimed in claim 3 or h circulation tube separate film biological reactor is characterized in that: described membrane filtration pond aspiration tube (9) is a perforated pipe, places under the described membrane module (16) in the water layer under the header (23).
5. H as claimed in claim 1 or h circulation tube separate film biological reactor, it is characterized in that: biological tank aspiration tube (13) is equipped with in described biological reaction tank (2) bottom, be perforated pipe or micro-pore aeration element, be installed in biological reaction tank (2) in the depth of water scope of liquid level at the bottom of the pond, and be installed in the same degree of depth with membrane filtration pond aspiration tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100340071A CN1318320C (en) | 2004-04-21 | 2004-04-21 | H circulation pipe separated type membrane bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100340071A CN1318320C (en) | 2004-04-21 | 2004-04-21 | H circulation pipe separated type membrane bioreactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1689984A CN1689984A (en) | 2005-11-02 |
| CN1318320C true CN1318320C (en) | 2007-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100340071A Expired - Fee Related CN1318320C (en) | 2004-04-21 | 2004-04-21 | H circulation pipe separated type membrane bioreactor |
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| CN (1) | CN1318320C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557332B (en) * | 2010-12-31 | 2013-07-10 | 中国科学院生态环境研究中心 | Push-flow circulating microbubble and surface aeration membrane biological reactor |
| CN102659241B (en) * | 2012-05-07 | 2014-10-29 | 中国科学院生态环境研究中心 | Air-lift circulation type membrane-bioreactor with membrane assembly unit capable of being independently cleaned |
| CN104056554B (en) * | 2014-01-20 | 2016-05-18 | 绿能（杭州）企业管理有限公司 | A kind of MBR on-line cleaning method |
| CN107129034A (en) * | 2017-03-07 | 2017-09-05 | 广东工业大学 | A kind of membrane bioreactor system from culture granule sludge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04131182A (en) * | 1990-09-20 | 1992-05-01 | Ebara Infilco Co Ltd | Biological treating device for organic polluted water |
| JPH0947781A (en) * | 1995-08-11 | 1997-02-18 | Seiriyuu Kk | Treatment of organic material related to bod, nitrogen and phosphorus in waste water |
| CN1209791A (en) * | 1996-01-30 | 1999-03-03 | E·V·U·环境技术发展有限公司 | Small-scale biological sewage treatment plant |
| CN2346784Y (en) * | 1998-08-05 | 1999-11-03 | 上海荏原成套工程有限公司 | Membrane separating active sludge treatment equipment |
| JP2001038178A (en) * | 1999-07-30 | 2001-02-13 | Daicel Chem Ind Ltd | Separation membrane module |
-
2004
- 2004-04-21 CN CNB2004100340071A patent/CN1318320C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04131182A (en) * | 1990-09-20 | 1992-05-01 | Ebara Infilco Co Ltd | Biological treating device for organic polluted water |
| JPH0947781A (en) * | 1995-08-11 | 1997-02-18 | Seiriyuu Kk | Treatment of organic material related to bod, nitrogen and phosphorus in waste water |
| CN1209791A (en) * | 1996-01-30 | 1999-03-03 | E·V·U·环境技术发展有限公司 | Small-scale biological sewage treatment plant |
| CN2346784Y (en) * | 1998-08-05 | 1999-11-03 | 上海荏原成套工程有限公司 | Membrane separating active sludge treatment equipment |
| JP2001038178A (en) * | 1999-07-30 | 2001-02-13 | Daicel Chem Ind Ltd | Separation membrane module |
Non-Patent Citations (1)
| Title |
|---|
| 气升循环分体式膜生物反应器再生回用厕所污水的研究 徐慧芳，攀耀波，环境科学，第2期 2003 * |
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| CN1689984A (en) | 2005-11-02 |
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Granted publication date: 20070530 Termination date: 20180421 |